Windell Oskay of Evil Mad Scientist Laboratories removed the RFID circuit in a MasterCard PayPass and placed it into a Hello Kitty Pez dispenser. He calls it "Hello Credit."
One interesting thing is that the circuit board is incredibly thin -- approximately 1/4 the thickness of standard 1/16" circuit boards, which happens to be pretty close to the thickness of a standard credit card. It's flexible and fairly translucent. You do need to be a little bit careful because ceramic capacitors (like the ones on this board) have a tendency to break if you bend the board that they are soldered to.
Of course, we can now give our RFID element any kind of a case mod that we see fit. One thing that would be easy to do is just to embed it in the side of a wallet. You could also embed it in any one of the millions of things that have become USB thumb drives in the last few years.
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Plastic is so 2013. You don’t want to buy something only to throw it away or lose it and barely care. You like nice things and want to hang onto them. The Plazmatic lighter here is a high quality, high tech alternative to the typical cheap, plastic lighter you get at the old gas station. […]
Real engineers build things. Super cool engineers build things with their hands and fingers, like our engineering forefathers did. No idea where to even begin to do that? This step by step Arduino course is now 92% off and is going to get you up and running, from zero to hero, in no time. So […]